This weekend, you might experience a falling sensation.

DO
Walk for the Animals
What: Step up to help the Washington Humane Society, plus enjoy best-dressed canine and owner/dog look-alike contests.
Why: Four legs are better than two.
When: Sun., 11 a.m.
Where: Sylvan Theater, National Mall SW, at 15th St. & Independence Ave. (202-723-5730). Sign up online.

SHOP
Lettie Wears Red Autumn Showcase
What: Check out the new collections from lines like Corso Como, Glory Chen, and Sinela while drinking champers and eating chocolate.
Why: Fall head over heels.
When: Fri., 6-10 p.m.
Where: Wild Women Wear Red, 1512 U St. NW, b/t 15th & 16th Sts. (202-387-5700); Lettie Gooch Boutique, 1911 9th St. NW, b/t U & T Sts. (202-332-4242).

BID
The Dorothy Draper Collection from the Greenbrier
What: Sneak a peak at the famed decorator’s furnishings and artwork about to go on the block.
Why: It’s what’s on the inside that matters.
When: Sat., 10 a.m.-5 p.m.; Sun., 1-4 p.m.
Where: The Potomack Company, 526 N. Fayette St., Alexandria (703-684-4550).

HEAR
Kickass Chicks
What: Bands like Grandma’s Mini, Olivia & The Housemates, and Esmirelda & The Tidbits launch the Girls Rock & Girls Rule tour to benefit the Willie Mae Rock Camp for Girls.
Why: Why the hell not?
When: Sat., 7:30 p.m.
Where: DC9, 1940 9th St. NW, b/t U & T Sts. (202-483-5000).

EAT
Restaurant K by Alison Swope
What: The much-anticipated New American spot opens with a menu full of local and seasonal ingredients.
Why: Get Swoped up in the excitement.
When: Mon.-Thurs., 11:30 a.m.-2:30 p.m. & 5-10 p.m.; Fri., 11:30 a.m.-2:30 p.m. & 5-11 p.m.; Sat., 4-11 p.m.
Where: 1700 K St. NW, at 17th St. (202-974-6545).